I have been a Teahen booster for a long time, and except for a terrific second half in 2006 — when he hit .319 with 18 homers in 83 games — he has mostly disappointed. I tend to believe that most of it has had to do with his circumstances in Kansas City, where the Royals moved him from position to position and bounced him up and down the lineup. Teahen is now settled in Chicago — he will be the White Sox everyday third baseman (his favorite position). And he will be playing in the best home run park in the American League. Scouts keep telling me that Teahen is what he is — a .270 or so hitter with only moderate power and good base running instincts. I think he might be a bit more. …